/* 基本样式，设置背景颜色、字体和窗口大小 */
body {
    font-family: Arial, sans-serif;
    background-color: #343541;
    width: 400px;
    height: 350px;
    padding: 15px;
}

/* 标题样式 */
h1 {
    color: #333;
    font-size: 18px;
    margin-top: 0;
    margin-bottom: 15px;
}

/* 消息输入区域 */
textarea {
    width: 100%;
    height: 100px;
    padding: 10px;
    box-sizing: border-box;
    margin-bottom: 10px;
    background-color: #444654;
    color: whitesmoke;
    resize: none;
    border: none;
    border-radius: 4px;
}

/* 发送按钮 */
button {
    background-color: #6b6c7b;
    color: white;
    border: none;
    padding: 10px 20px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 5px 2px;
    cursor: pointer;
    border-radius: 4px;
}

/* 聊天输出区域 */
.output {
    padding: 10px;
    height: 150px;
    margin-bottom: 5px;
    color: whitesmoke;
    overflow-y: auto;
    border-radius: 4px;
    background-color: #444654;
}

/* 用户和助手的消息样式 */
.message {
    margin: 5px 0;
}

.user {
    color: #d3d3d3;
    font-size: large;
}

.assistant {
    color: whitesmoke;
}
